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JSON practice (2)

We prepared two more JSON strings in the sample code. Can you change them and call jsonlite's fromJSON() function on them, similar to the previous exercise?

Este exercício faz parte do curso

Intermediate Importing Data in R

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Instruções do exercício

  • Remove characters from json1 to build a 2 by 2 matrix containing only 1, 2, 3 and 4. Call fromJSON() on json1.
  • Add characters to json2 such that the data frame in which the json is converted contains an additional observation in the last row. For this observations, a equals 5 and b equals 6. Call fromJSON() one last time, on json2.

Exercício interativo prático

Experimente este exercício completando este código de exemplo.

# jsonlite is already loaded

# Challenge 1
json1 <- '[[1, 2], [3, 4], [5, 6]]'


# Challenge 2
json2 <- '[{"a": 1, "b": 2}, {"a": 3, "b": 4}]'
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